As the weather becomes warmer, physicians may see more photosensitivity reactions from drugs, perfumes, cosmetics or sunscreens. Even brief exposure to sunlight in warm or cold weather can cause intense reactions in people with drug-induced photosensitivity, and some people may continue to be sensitive to sunlight long after stopping use of the offending agent.The table that follows lists some drugs that have been reported to cause photosensitivity reactions.